Question

resolva equaçao de fraçao : a) x/2 -x/4=5   b) x+x/2=15

Answer 1

a) x/2 -x/4=5
    
2x/4 - x/4 = 5

x/4 = 5

x = 5/4
 
b) x+x/2=15

2x/2 + x/2 = 15

3x/2 = 15

3x = 15 * 2

3x = 30

x = 30/3    logo x= 10